Messages in this thread | | | Date | Fri, 15 Dec 2017 17:00:20 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [intel-sgx-kernel-dev] [PATCH v5 06/11] intel_sgx: driver for Intel Software Guard Extensions |
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On Wed, Dec 13, 2017 at 11:18:29PM +0000, Christopherson, Sean J wrote: > Resurrecting this thread now that I have a system with launch control > and have been able to measure the performance impact... > > Regenerating the EINIT token every time adds somewhere in the vicinity > of ~5% overhead to creating an enclave, versus generating a token once > and reusing it in each EINIT call. This isn't a huge issue since real > world usage models likely won't be re-launching enclaves at a high rate, > but it is measurable.
We can cache tokens in future in the kernel space, can't we?
/Jarkko
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